1222930 has 16 divisors (see below), whose sum is σ = 2277720. Its totient is φ = 472192.

The previous prime is 1222913. The next prime is 1222931. The reversal of 1222930 is 392221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1159929 + 63001 = 1077^2 + 251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222898 and 1222907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819 + ... + 2398.

2^1222930 is an apocalyptic number.

1222930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222930 is a deficient number, since it is larger than the sum of its proper divisors (1054790).

1222930 is a wasteful number, since it uses less digits than its factorization.

1222930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1222930 is about 1105.8616550003. The cubic root of 1222930 is about 106.9384453948.

The spelling of 1222930 in words is "one million, two hundred twenty-two thousand, nine hundred thirty".